T. N. Sherratt & C. D. Beatty 2003. The evolution of warning signals as reliable indicators of prey defense. The American Naturalist 162(4): 377-389. (featured in a News & Views article in Nature and an editor’s review in American Entomologist).

C. D. Beatty & K. L. Streeter 1999. Assessment of Habitat Conditions and Invertebrate Assemblages in the Streams of the Lower Tualatin River Basin. Final Report, Water Environment Services of Clackamas County, Oregon, USA.